Question

if x=√5+2,then find the value of x²+1/x²​.
Hi dear
MY NAME IS ABHILASHA..
I AM 13 YEARS OLD
IT MEANS YOU ARE BIGGER THEN ME ...SO WHAT SHOULD I CALL YOU DEAR.
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Answer 1

Answer:

730/729(729.001371742)

Step-by-step explanation:

x= square root of 5 +2

square root of 5=25

25+2=27

then X2=27×27=729

X2+1/X2=729+1/729=720/729(729.001371742)

not sure it is correct but this is all I can do is it correct?